Project Number Date
test_Tails_ISO_stable 5067 04 Sep 2024, 08:48

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:27.396 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
22.381
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.476
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 1.322
Then patterns cover at least 128 MiB in the guest's memory 4.143 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.319
Then I find very few patterns in the guest's memory after 3 seconds 6.682 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.352
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.967
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.163
And I prepare Tails for memory erasure tests 0.569
And I find very few patterns in the guest's memory 4.296 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.836
Then patterns cover at least 99% of the test FS size in the guest's memory 3.621 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.631
Then I find very few patterns in the guest's memory after 3 seconds 5.848 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.456
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.664
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.396
Then I find very few patterns in the guest's memory 3.668 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.703
Then patterns cover at least 75% of the test FS size in the guest's memory 4.504 
Pattern coverage: 91.832% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.027
Then I find very few patterns in the guest's memory after 3 seconds 6.685 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.370
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 4.211 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.011
Then I find very few patterns in the guest's memory after 3 seconds 6.563 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.866
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.564
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.603
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.820
Then I find very few patterns in the guest's memory 2.700 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.875
Then patterns cover at least 99% of the test FS size in the guest's memory 2.691 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 5.465 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 5.704
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 2.789 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.832
Then I find very few patterns in the guest's memory after 3 seconds 6.912 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.190
After features/support/hooks.rb:100 0.003
Tags: @product @slow @not_release_blocker
51.468
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 8.544
And I prepare Tails for memory erasure tests 0.648
When I fill a 128 MiB file with a known pattern on the root filesystem 16.888
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.000
Then patterns cover at least 128 MiB in the guest's memory 2.643 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.727 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.558
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.283
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.503
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.342 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.625
After features/support/hooks.rb:100 0.014